Answer:
D.) This system has no solutions (The one you chose is correct)
Step-by-step explanation:
y = 8x + 9
-8x + y = -1
-8x + y = -1
y = 8x - 1
These two lines will also never meet as the slope are both 8, but the y-intercept is different, to check, look at the graph below.
Answer: I believe it is 1.1x10^-8
Step-by-step explanation:
Because 3.4x10^2 divided by 3x10^10 gives you 0.00000011 which is then converted through scientific notation into 1.1 x10^-8
Answer:
576 cm^3
Step-by-step explanation:
Express this volume formula as V = π r^2 h, where the " ^ " symbol indicates exponentiation. Substitute 4 for r (this is half the diameter), 12 cm for h, and 3 for π: V = 3*(4)^2*12 cm^3, or V = 576 cm^3.
Lines B and C are perpendicular ⇒ answer C
Step-by-step explanation:
The product of the slopes of the perpendicular line is -1
The slopes of the parallel lines are equal
The slopes of two lines are
and 
1. If
×
= -1, then the two lines are perpendicular
2. If
=
, the the two lines are parallel
The equation of a line in slope-intercept form is y = m x + c, where m is
the slope of the line
Line A: y =
x + 2
The slope of the line is
= 
Line B: y =
x + 7
The slope of the line is
= 
Line C: y = 2 x + 4
The slope of the line is
= 2
Line D:
x + 
The slope of the line is
= 
∵
= 
∵
= 2
∵
× 2 = -1
∴ Line B and Line C are perpendicular because the product of their
slopes is -1
Lines B and C are perpendicular
Learn more:
You can learn more about slope in brainly.com/question/4152194
#LearnwithBrainly